package com.bieber.democamp.util;

/**
 * Created by bieber on 2015/3/16.
 */
public class StringUtils {

    public static boolean isEmpty(String str){
        if(null==str){
            return true;
        }
        str=str.trim();
        if(str.length()==0){
            return true;
        }
        return false;
    }
}
